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JPL Small-Body Database Browser
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32776 Nriag (1987 KG5)
Classification: Main-belt Asteroid          SPK-ID: 2032776
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .168890398805124 4.0945e-08  
a 2.609439931724648 1.2156e-08 au
q 2.168730580997657 1.0544e-07 au
i 15.00904408369749 5.363e-06 deg
node 142.5378138304382 1.5845e-05 deg
peri 148.4529126868746 2.2219e-05 deg
M 174.9222289596406 1.5628e-05 deg
tp 2457852.396158454965
(2017-Apr-08.89615845)
6.6437e-05 TDB
period 1539.640699515392
4.22
1.0759e-05
2.946e-08
d
yr
n .2338207869623811 1.6339e-09 deg/d
Q 3.05014928245164 1.4209e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1703  
   data-arc span      11601 days (31.76 yr)  
   first obs. used      1987-05-29  
   last obs. used      2019-03-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49625  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:33:30  

Additional Information
 Earth MOID = 1.16561 au 
 Jupiter MOID = 2.24824 au 
 T_jup = 3.342 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6   n/a MPO381514  
diameter diameter 6.291 km 0.366 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.985 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Galad, A. (2009) Minor Planet Bull. 36, 42-44.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.195   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32776 Nriag           Discovered 1987 May 29 by C. S. Shoemaker and E. M. Shoemaker at Palomar.
The National Research Institute of Astronomy and Geophysics (NRIAG) in Helwan is the Egyptian center for studies in observational astronomy, geophysics and geodesy. Founded in 1903, NRIAG manages the operation of the 0.76-m reflector at Helwan Observatory and, since 1964, the 1.9-m reflector at Kottamia Observatory.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040928/MPCPages.arcLast Updated: 2004-09-28

Alternate Designations
 1987 KG5 = 1999 CM5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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